Integer overflow in the firmware for some Intel(R) Graphics Drivers for Windows * before version 26.20.100.7212 and before Linux kernel version 5.5 may allow a privileged user to potentially enable an escalation of privilege via local access.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00438.html
https://lists.debian.org/debian-lts-announce/2023/04/msg00002.html